The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 2026
Filed:
Sep. 13, 2021
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Yukio Taniguchi, Tokyo, JP;
Takahiro Takeshima, Tokyo, JP;
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Abstract
An optical film includes a plurality of optical elements. In a case where a first reference line parallel to a film surface is extended in a horizontal direction from a first optical element, a second optical element adjacent to the first optical element is placed at a predetermined spacing in a direction forming a first angle with respect to the first reference line. A third optical element adjacent to the first optical element is placed at a predetermined spacing in a direction forming a second angle with respect to a second reference line orthogonal to the first reference line and parallel to the film surface. Another optical element is also placed at a predetermined spacing from an adjacent optical element in the direction forming the first angle, and is placed at a predetermined spacing from an adjacent optical element in the direction forming the second angle.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile